| 节理岩石卸载损伤破坏过程CT实时检测 |
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| 引用本文： | 任建喜,葛修润,蒲毅彬. 节理岩石卸载损伤破坏过程CT实时检测[J]. 岩土力学, 2002, 23(5): 575-578 |
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| 作者姓名： | 任建喜 葛修润 蒲毅彬 |
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| 作者单位： | 1. 上海交通大学，上海 200030; 2.中国科学院寒区旱区环境与工程研究所冻土工程国家重点实验室, 甘肃 兰州 730000; 3. 西安科技学院，陕西 西安 710054; 4. 中国科学院武汉岩土力学研究所, 湖北 武汉 430071 |
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| 基金项目： | 国家自然科学基金(10172057)，中国博士后基金(2001年)，陕西省教育厅专项基金(00JK216)，陕西省自然科学基金(2001D07)资助 |
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| 摘 要： | 在国内外首次利用CT专用岩石三轴试验加载设备，完成了单一裂纹岩石卸围压应力作用下损伤破坏全过程CT实时监测试验，得到了非常清晰的节理岩石卸围压破坏全过程中从裂纹发展、贯通到破坏等各个阶段的CT图像。结果表明，节理岩石的卸载破坏具有突发性。
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| 关 键 词： | 节理岩石 卸载 CT实时试验 |
| 文章编号： | 1000-7598-(2002)05-0575-04 |
| 收稿时间： | 2002-03-01 |
| 修稿时间： | 2002-03-01 |
Real-time CT test of damage failure process of jointed rock sample in unloading confining pressure |
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| REN Jian-xi,,,GE Xiu-run,,,PU Yi-bin. Real-time CT test of damage failure process of jointed rock sample in unloading confining pressure[J]. Rock and Soil Mechanics, 2002, 23(5): 575-578 |
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| Authors: | REN Jian-xi GE Xiu-run PU Yi-bin |
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| Affiliation: | 1. Shanghai Jiaotong University，Shanghai 200030, China; 2. State Key Laboratory of Frozen Soil Engineering , CAREERI, CAS, Lanzhou 730000, China; 3. Xi’an University of Science and Technology, Xi’an 710054, China; 4. Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China |
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| Abstract: | It is the first time that using the newest specified loading equipment corresponding to the CT machine, the real-time computerized tomography testing of meso-damage propagation law of jointed rock sample with single crack under unloading confining pressure has been accomplished in rock mechanics fileld. Through CT scanning, the clear CT images are obtained to include the whole process of rock failure on unloading confining pressure from the crack development, penetration and fracture failure in the different stress states. It is clear that it is easy for failure phenomenon to happen suddenly in the process of unloading condition of jointed rock. |
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| Keywords: | jointed rock unloading CT real-time testing |
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